Glazier&#39;s point driver



Jan. 21, 1930. e. HUBBARD ET AL 1,744,700

GLAZIER' S POINT DRIVER Filed Dec. 29. 1926 g INVENTORS.

A TTORNEY.

Patented Jan. 21, 1936 UNITED STATES PATENT OFFICE GUY HUBBARD, OF NEW YORK, N. Y., CHARLES J. FANOHER, OF WINDSOR, VERMONT,

.AND HENRI A. SEVIGNE, OF WINTHROP, AND ROBERT A. JOHNSON, OF LONG- MEADOW, MASSACHUSETTS, ASSIGNORS, BY MESNE ASSIGNMENTS, TO \VOODVTARD- HUBBARD COMPANY, OF HILL, NEW HAMPSHIRE, A CORPORATION OF NEW HAMP- SHIRE eLAzrnns some nnrvnn Application filed December 29, 1926.

Our invention relates to portable, handoperated devices or machines for driving glaziers points into window sashes, for the purpose of holding or assisting in holding in place the panes of glass in said sashes, which machines comprise suitable frames and trigger-operated plunger-s for forcibly discharging the points, and said invention consists generally of a frame having therein a magazine for the points, and equipped with a spring-pressed tri ger, in which frame is a follower for said points, which follower is of peculiar construction, a removable base plate below said magazine, certain peculiar plunger mechanism operated by said trigger, said mechanism including a plunger and a driver plate secured to the bottom of said plunger by means which enable the latter to be detached from the former, an attachable and detachable auxiliary plate for use when it is necessary to operate the machine with the rear end elevated or standing clear of the glass, means to change the length of the stroke of said plunger, whereby the force of the spring provided to actuate the plunger forwardly is increased or decreased, and special supporting or hearing and abutment means for the rod, with which said plunger is equipped at the rear end, and for the plunger spring, respectively, together with such other parts and members as may be necessary or desirable in order to render the machine complete and serviceable in every respect, all as hereinafter set forth.

Among the many objects and advantages of our invention mention here may be made of the following:

First, to provide a driver, of the class de scribed, with simple and suliiciently forcible means to insure the downward movement and proper feeding of the points in and from the nragazinc. as said points are discharged by the plunger mechanism from the driver, which means further is adapted for convenient adjustment to open the way for the refilling of the magazine;

Second, to provide the driver with reliable and efficient means for supporting and guiding the driver plate, and adequate and convenient means for attaching said plate oper Serial No. 157,656.

atively to the plunger, which last-named means is releasable for the purpose of enabling said plate to be removed;

Third, to utilize the spring, which forms a part of or is associated with the aforesaid driving-plate attaching means, for normally retaining the operating lever for the plunger in the path of the trigger finger;

Fourth, to afford means for adjusting the force exerted by the spring that actuates the plunger forwardly;

Fifth, to furnish the driver with an attachment whereby said driver can be used successfully in a tilted position, instead of being placed with the bottom flat throughout its entire length on the glass, and

Sixth, to provide the driverwith a strong, durable, and peculiarly efficient bearing and abutment respectively for the projecting member at the rear end of the plunger and for the plungeractuating spring at one end.

e attain the objects and secure the advantages of our invention by the mechanism illustrated in the accompanying drawings, in which- Figure 1 is a side elevation of a glaze-rs point driver which embodies a practical form of our invention; Fig. 2, a front end elevation of said driver; Fig. 3, an enlarged, longitudinal, vertical section through the driver, with parts broken away; Fig. 4, a top plan of the auxiliary plate; Fig. 5, a front end elevation of the lower portion of the driver, with parts broken out and in section, illustrating the manner in which said auxiliary plate is app-lied; Fig. 6, a transverse, vertical section through the bottom part of the driver, taken on lines 66, looking in the direction of the associated arrow, in Fig. 3, Fig. 7, a bottom plan of the driver; Fig. 8, a side elevation of the lower portions of the driver, with said auxiliary plate in place; Fig. 9, a detail in section of a modified abutment sleeve for the plunger rod and plunger-operating spring; Fig. 10, a sectional detail illustrating modified means for connecting the driver plate with the plunger; Fig. 11, an end elevation of the plunger and driver plate and cross section through the plunger stem, illustrating still other modified means for attaching the plate to the plunger, and, Fig. 12. a sectional detail, similar to that shown in Fig. 10, illustrating the modification appearing in Fig. 11.

Similar reference characters designate similar parts throughout the several views.

Figs. 4 and 5 are on a lar er scale than any of the other views.

In Fig. 3 the driver is shown resting on a pane of glass indicated by the numeral 1, with the front end or nose of said driver against a portion of the top, bottom. or side rail, parting rail, or muntin of a window sash. the same being in section, as is the glass, and indicated by the numeral 2. In Fig. 7 fragmentary portions of the glass and sash member also appear. In Fig. 8 port-ions of two sash members are shown in cross section, with a pane of glass 3 in section between them, and a fragmentary portion in section of another pane of glass 3. In this view the left-hand rail or muntin 2 prevents the driver from being placed flat on the glass. hence necessitates tilting the driver when discharging the points into either of the rails or muntins 2. and requiring that the driver be provided with the auxiliary plate.

In its general aspect this driver comprises a suitable frame, (usually made in two side sections rivet-ed together.) forming a rear leg 4, a front leg 5, and a handle 7 a springpressed trig 'er pivotally connected at 8 with said frame, which trigger comprises a downwardly-extending arm 9, an upwardly-extending lug 10, and a rearwardly and normally downwardlyextending handle 11: and a foot-piece 12 which is usually made of wood. The foot-piece 12 is crosswise of the leg l to which it is attached by means of screws one of which appears at 13 in Fig. 7. A spring ll is interposed between the trigger lug and a part of the frame in front of said lug, and normally retains the trigger with the arm 9 in a forward position against a vertical. rear wall 15 within the leg 5. The parts and members briefly described above are old and well known, and in connection with the same have been used in somewhat different form certain of the parts and members described below and which constitute the new features embodying our invention.

In the leg 5 forward of and formed in part by the wall 15 is a vertical passage 16 that is open at the bottom the full diameter of said passage, and at the top opens through a. constricted orifice 17. Also in the leg 5. in front of the passage 16. is a vertical passage 18 which opens unrestrictedly through both the top and bottom ends. The passage 18 is in cross section diamond shaped and of a size to receive glaziers points. such as those represented at 19, crosswise of said passage. Diamond-shaped glaziers points are with the aid of adhesive material formed into sticks, in the manner well understood those skilled in the art, and the passage 18 is adapted to L'sceive such a stick of points. Thus it is seen that the leg 5 with the passage 18 therein forms a magazine for the points to be expelled from and driven by the machine.

In opposite sides of the leg 5, a short distance above the bottom of said leg, are two indentations, 20, and said leg is bored back of said indentations to receive a horizontal bolt 21. A sheet-metal base plate 22 is provided for the bottom of the leg 5, and said plate is formed with lateral, longitudinallyextending projections or flanges 2323, and with upwardly-extending side pieces 2424 which are punched inwardly to form two projections 25 that are adapted to enter the indentations 20. The side pieces 2l are also perforated to receive the bolt 21, which bolt passes through said side pieces and the opening provided for said bolt in the leg 5, to receive on the protruding terminal opposite to the head of said bolt a nut 26. The plate 22 extends beneath the open bottom end of the passage 16, and opens directly below the open bottom end of the magazine passage 18, which opening in said plate is indicated by the numeral 29, and corresponds in size and shape with said magazine passage in cross section. diamond shaped and of a size to admit the points 19 to pass through the same. The

thickness of the plate 22 is approximately the same as that of one of the points 19. The flanges 23' form supports and guides for the forward terminal. portion of a sheet-metal driver plate 27 which plate is rolled upwardly and inwardly at the sides to form beads 2828 to receive therein said flanges.

In assembling, the base plate 22 is forced up against the bottom of the leg 5, with said leg between the side pieces 24, and in position to enable the projections 25 to snap into the indentations 20, and then the bolt 21 is slipped through said side pieces and said leg and the nut 26 is screwed on to said bolt. If, for any reason, it be desired to remove the plate 22, it is simply necessary to unscrew the nut 26 from the bolt 21, remove said bolt, and loy applying force to the plate snap the projections 25 out of the indentations 20.

Necessarily a follower must be provided for the stick or pile of points 19' in the magazine passage 18, to cause said points to be fed properly through the opening 29 in the plate 22, and to this end we provide an inverted U-shaped member 30 which has one leg in said magazine passage and the other leg in the passage 16. On the inner end of the follower leg which is in the passage 16 is a flange or collar 31, and interposed between said collar and the part at the top of? said passage in which is the constricted opening 17 is a spring 32. That portion of the follower 30 which connects the two legs thereof is above the leg 5'. The spring 31 tends constantly to force the follower 30' downwardly, inasmuch In other words, the opening 29 is as said spring is compressed between the top of the passage 16 and the collar 31 on the leg of said follower that is in said passage, and thus forces the other leg of said follower to bear on the points 19 in the passage 18, follow downwardly with said points as their number decreases, and cause them to be presented consecutively to the driver plate 27, as will presently be more fully explained.

lVhen it is desired to load the magazine with points, the exposed upper portion of the follower is grasped, said follower is elevated against the resiliency of the spring 32 until the leg in the passage 18 is raised clear of said passage, turned or swung in either direction on the other leg until said first-named leg is over one or the other of two ledges 33 that extend laterally from opposite sides of the leg 1, and permitted to descend until the free leg rests on such ledge. Then, after a new stick of points has been inserted in the passage 18 through the top thereof, the follower 30 is swung on the inner leg back into its former position, and permitted to descend under the influence of the spring 32 with the outer leg in the passage 18 on top of the points.

It will be observed that the top of that portion of the leg 5 in which the passage 18 is located, to form the magazine for the points 19, is some distance below the top of that portion of said leg in which is located the passage 16, and that the ledges 33 are on a level with the top of said magazine, otherwise the follower 30 could not be withdrawn from the magazine for the purpose of replenishing the latter.

A horizontal plunger is represented at 34, and this plunger is provided at the bottom with lateral, longitudinallyextending flanges 3535 that are receivable in the driver-plate beads 28. The rear end of the plunger 34 at the bottom extends downwardly until it is flush with the bottom of the plate 27 to form a stop 36 for said plate. The plate 27 is held against independent endwise movement on the bottom of the plunger 34 by means of he stop 36, and of a vertical pin 37 that is received in a bore in said plun er, and is annularly shouldered at the bottom to form a projection 38 to be received in an opening 39 in the plate 27, as best shown in Figs. 3 and 6. The projection 38 has a depth approximately equal to the thickness of the plate 27. hen the plate 27 is engaged by the pin 37, said plate is held with its rear end against the stop 36, and is prevented from moving enclwise independently of said plunger, consequently, when said plunger is moved longitudinally said plate is carried with it, the plate then sliding on the flanges 23 of the plate 22. Normally the plate 27 is retained with its front end almost flush with the front end of the plate 22, and closes from below the opening 29 in said plate 22. Prefcenter of. the front end portion of the plate 27 is a V-shaped notch 40 that corresponds in size and shape with one-half of one of the points 19, and in said portion on each side of said notch is a slot 41. Obviously, if the plate 27 be drawn rearwardly until the notch r 40 is in alignment with the back half of the point opening 29 in the plate 22, a point 19 will drop or be forced down out of said opening into said notch in position to be driven forward, while the point 19 immediately 7 above the one first mentioned will move downwardly into said opening from which this second point can not escape until the plate 27 is again retracted. This is assuming that there is something beneath the plate 27 to prevent the points from dropping or being forced out through the opening 29 and the notch 40 when the plate 27 is retracted.

The plunger 34 has a recess 42 therein which opens through the top and rear end thereof, and in said recess, longitudinally of said plunger, and pivotally connected at 43 with said plunger, is an operating lever 44. A rod or stem 45 has at the forward terminal aconical part 46, and is screw-threaded back of said part, as represented at 47, and tapped into the rear end of the plunger 34. The conical end 46 of the stem 45 is in-the recess 42 beneath the rear end of the lever 44, and said lever is normally retained with said end in contact with said conical end, and with the forward end of said lever in the path of a finger 48 with which the trigger arm 9 is provided, by means of a spring 49 that is received in a bore in the pin 37, and serves the double purpose of normally retaining said lever in the position just described, and said pin with its projection 38 in the plate'opening 39.

The finger 48 consists of a flat piece of thin metal inserted in a slot in the bottom of the arm 9, the same being held in said slot by means of a pin 50 that extends transversely through said arm and through a horizontal groove in the back side of said flat piece or finger. The portion of the arm 9 which is contiguous with the front side extends below the portion of said arm that is contiguous with the back side of the finger 48 to buttress the latter while making its active stroke. The finger 48 extends only a. short distance below the longer bottom portion of the arm 9.

WVhen the finger 48 becomes Worn to an extent that necessitates replacing the same with a new finger, the pin 50 is driven out of the arm 9, the old finger is removed from said arm, the new finger is insertedin place of the old, and said pin is again driven into said arm to secure the new finger in place.

Whenever, because of wear, or for any other reason, it is desired to remove the plate 27, some suitable instrument is applied to the exposed end of the projection 38 and the pin 37 is forced upwardly or, inwardly against the resiliency of the spring 49, until said projection is clear of the plate opening 39, thus releasing the plate, and then the latter is slipped forwardly until it clears the flanges 35 and 23. The same or another similar plate is placed in position by slipping the rear end of the same onto the flanges 23 and then sliding said plate rearwardly beneath the plate 22 and the plunger 34, with the beads 28 embracing the flanges 35 as well as the flanges 23, until the back edge of the plate encounters the stop 36 at the rear end of said plunger, when the projection 38 descends into the opening 39, the spring 49 having a constant tendency to force the pin 37 downwardly. \Vhen the plate 27 is slipped into place, it is necessary to force the pin 37 upwardly as the rear end of said plate approaches the projection 38, in order to remove said projection from the path of said end. The projection 38 rides on top of the plate 27 between the opening 39 therein and the rear end thereof when the plate is re moved from the plunger, and between said end and said opening when said plate is united with said plunger.

An exterior flange 51, at the top of the pin 37, prevents said pin from dropping down through the opening provided for the same in the plunger 34, at such times as the plate 27 is not in position to support said pin.

The foot-piece 12 has a central, horizontal opening 52 therethrough, and in the leg 4 behind said opening is a conical opening 53. The rear end of the opening 53 is of the smaller diameter. A sleeve 54 has a conical part 55 at the rear end to fit the conical opening 53 in the leg 4, and in front of said conical part said sleeve has an exterior flange 56 which is received in the opening 52 in the foot 12, and is adapted to bear against said leg. A check-nut 57 is mounted on the threaded part 47 of the stem 45, behind the plunger 34, to hold said stem against rotation after being adjusted in said plunger. A spring 58, encircling the stem 45, is interposed between the flange 56 and the flanged part of the check-nut 57. In the manner and by the means explained above, a bearing is provided for the rear terminal of the stem 45, which stem is actually an extension of the plunger 54, and an abutment for the rear terminal of the spring 58, and a construction is provided the parts and members of which can be readily assembled, disconnected, and adjusted, whenever occasion requires. The conical head of the sleeve 54, with the seat for said head-in the leg 4, centers said sleeve and enables the same to be retained in its proper position by the spring 58, and to afford an excellent support and hearing for the stem 45, the rear terminal portion of which stem is received in said sleeve and slides back and forth therein whenever the plunger 34 is drawn back and released in the operation of driving a point 19.

If it be desired to compress the spring 58 to a greater extent, in order to obtain more force in the blows that drive forward the points 19, the checknut 57 is loosened, and the stem 45 is rotated in the plunger 34 in the direct-ion to move said plunger rearwardly, and thus to locate a part of the conical end 46 of said plunger which is nearer the apex thereof, and therefore of smaller 'diameter, beneath the rear end of the lever 44. This causes the lever 44 to be positioned by the spring 49 with the front end of said lever normally higher than it was before, and necessitates a greater rearward travel of the finger 48 before it can pass clear of and release said lever, with a correspondingly greater backward movement of the plunger 34, and a consequently greater compression of the spring 58. In the event it be desired to have the spring 58 exert less force in driving the plunger 34 forwardly, the check-nut 57 is loosened, and the stem 45 is rotated in the direction to move the conical end 46 farther forward beneath the contiguous end of the lever 44. The lever 44 is then retained with its front end normally lower than before, with the result that, when the trigger arm 9 is rocked rearwardly, the finger 48 more quickly releases said lever and therefore fails to move said lever with the plunger 34 so far rearwardly as in either of the other cases, and said plunger compresses the spring 58 a less amount than in either of the other cases. The check-nut 57 is, of course, tightened each time that the stem 45 is adjusted.

In operation, the driver is placed flat on the pane of glass 1, with the front endor nose of the base plate 22 against the sash member 2, as illustrated in Fig. 3, the handles 7 and 11 are grasped and the latter compressed, against the resiliency of the spring 13, with the result that the arm 9 wit-h its finger 48 is swung rearwardly, and said finger encounters the lever 44 and forces the same backwardly. The lever 44 carries rearwardly with it the plunger 34, against the resiliency of the spring 58, and the driver plate 27 until said plate occupies the position shown in Fig. 7. Then the finger 48 slips off of the lever 44 and therebyreleases the plunger 34 to the spring 58. The spring 58 immediately acts to drive forward the plunger 34 and plate 27, until the front end of said plunger strikes the back side of the bottom part of the leg 5. This forward movement of the plate 27 is sufliciently forceful and suflicient in distance to drive the point 19 that is in the path of said plate into the sash member 2 to the required depth. Meanwhile, the

handle 11 is released and the spring 13 acts to swing the arm 9 forwardly until it encounters the wall 14 and locates the finger 48 forward of the lever 44 in position ready to act on said lever again when said handle is swung upwardly a second time, said finger, in its forward travel to initial position, riding over the top of said lever and momentarily rocking the same downwardly forward of the pivot 43, against the resiliency of the spring 49. It should be noted in passing that, normally, the spring 58 retains the plunger 34 with its front end against the base of the leg 5.

The driver, after forcing one point into the sash member 2, is moved to the right or left the required distance and operated to force in the second point, and so on until the work of securing the pane l with the points 19 is accomplished.

In many cases it is impracticable or impossible to place the driver fiat on the glass, and then, in order to insert the points 19, it is necessary, while holding the nose of the driver on the glass against the sash member, to tilt the driver so that the rear end is raised above said glass, somewhat as shown in Fig. 8. Vith the driver as thus far described held in the position just noted, the points 19 drop through the notch 40 in the driver plate 47 when retracted, into a position where said plate would not act successfully on the points, hence itis necessary to provide the driver with an auxiliary plate as 59, for use upon occasions such as those last above mentioned. This plate is preferably made of sheet-metal rolled over at the sides to form beads 60-60 that are adapted to receive within them the beads 28 of the plate 27, and extended up wardly to form ears 6161 which are adapted to grasp between them the side pieces 24 of the base plate 22. The projections 20 are punched in the side pieces 24 and thus leave indentations in which to receive projections 62--62 punched in the ears 61. All of these parts must necessarily be properly located relatively. Struck up from the plate 59 at the front end thereof are two protuberances 63, the height of which equals the thickness of the plate 27. These protuberanees prevent the auxiliary plate 59 from tilting upwardly at the front end and thus closing the discharge opening between the plate 22 and said auxiliary plate, and the slots 41 in the driver plate 27 are in line with said protuberances, and are provided to enable said driver plate to make its full stroke. In the front end of the plate 59, between the protuberances 63, is a recess 70.

Before using the driver for inserting the points 19 in the sash members 2 when close together, as in Fig. 8, the auxiliary plate 59 is slipped on over the front ends of the plates 22 and 27 and into place beneath said plate 27, with the beads 60 outside of the beads 28 and the ears 61 outside of the side pieces 24, and

the projections 62 are snapped into the indentations formed by the projections 25. When the auxiliary plate 59 is in place, the front end of the same is a short distance back of the front end of the base plate 22.

With the auxiliary plate 59 in place, the driver is operated in substantially the same manner as previously described, except that it rests only at the front end on the pane when a point 19 is driven into the sash member.

The recess in the plate 59 permits the point 19 at the front end to come down almost into contact with the glass, when the driver is positioned ready to discharge said point; otherwise the thickness of said plate woulr intervene and the point could not be driven in to the best advantage for properly securing the glass in its frame.

In Fi 9, a supporting and guiding sleeve 64 is provided for the spindle 45, which sleeve has only the flange 56 at the rear end. In this case a cylindrical opening 65 is provided in the leg 4 for the accommodation of the plunger 45 when retracted.

In the modification illustrated in Fig. 10,

the driver plate 27 is snapped into place beit to be forced rearwardly into place beneath.

the base plate 22 and the plunger 34, with the beads 28 embracing the beads 23 and the flanges 35, and also to be forced forwartly and removed from the supporting parts. Here the spring 49 beneath the lever 44 is pocketed in a recess which extends downwardly into the plunger 34 from the top thereof.

In the modification illustrated in Figs. 11. and 12, the plate 27 is turned upwardly at the rear end to form a flange 68, and this flange is received in a transverse slot in the bottom of the plunger 34, when the plate is forced rearwardly into place, there being sufficient resiliency in this as in the Fig. 10 construction to enable the plate to be attached to the plunger and detached therefrom. The slot for the flange 68 is located in line with the front end of the stop 36, and in the back end of the plunger 34, intermediate of the sides thereof, is a slot 69 adapted to receive therein, from the rear and above the top of said flange, the blade of a screw-driver, or other implement, when the plate 27 is in place, for the purpose of forcing said flange and the rear-end portion of said plate downwardly far enough to enable the flange to clear the front side of its slot, so that the plate can be ISO forced forwardly and withdrawn from the supporting parts therefor.

Minor changes in the shape, size, construe tion, and arrangement of the parts of this invention, in addition to those hereinbefore specifically pointed out, may be made without departing from the spirit of said invention,

or exceeding the scope of what is clain'ied.

lVhat we claim as our invention, and desire to secure by Letters Patent, is

1. The combination, in a glaziers pointdriver, with a frame having therein a glaziers point magazine, which magazine opens through the bottom to admit of the passage therefrom of the individual points, and driving means for said points, of a member having a leg receivable in said magazine on the points therein, and a spring-pressed leg, the arrangement and construction being such that said first-named leg is normally held in contact with the points below the same.

2. The combination, in a glaziers point driver, with a frame having vertical passages therein, one of said passages having a constricted opening at the top, and the other of said passages serving as a magazine for gla- Ziers points, and opening through the bottom to admit of the escape of individual points, of a member having legs in said passages, the leg in said first-named passage being provided with a projecting part, and the other leg being adapted to rest on the points in said second-named passage, and a spring interposed between said projection and the upper constricted part of said firstnamed passage, arranged normally to force said member downwardly.

3. The combination, in a glaziers point driver, with a frame provided with an exterior ledge, and having therein two vertical passages, one of which passages serves as a magazine for glaziers point-s, and opens through the bottom to admit of the escape of said points individually, and the other of which passages is constricted at the top, of a follower member having legs in said passages, the leg in the magazine passage being adapted to bear on the points therein, and the leg in the other passage having a projecting part, and a spring interposed between said projecting part and the constricted part of the passage above, said member being adapted to be drawn upwardly until the leg in the magazine passage is withdrawn therefrom, and to be turned into position to permit said last-named leg to come to rest on said ledge, the purpose of this positioning of the follower member being to enable the magazine to be loaded with points.

4. In a glaziers point driver, a frame hav-- ing a leg with a magazine therein for glaziers points, said leg having indentations in the sides thereof, a base plate for the bottom of said leg, said plate being provided with side pieces having projections to enter said indentations, and having therein an opening for the passage therethrough of individual points from said magazine.

5. In a glaziers point driver, a frame having a leg in which is a magazine for glaziers points, said leg having indentations in and a passage through the sides thereof, a base plate for the bottom of said leg, said plate having perforated side pieces with projections receivable in said indentat ons, a bolt extending through the passage in said leg and the perforations in said side pieces, and a nut for said bolt.

6. In a glaziers point driver, a frame having a leg with a magazine therein for glaziers points, and with indentations in the sides thereof, a base plate for the bottom of said leg, said plate having yielding side pieces with indented projections receivable in said indentations, and also having an opening for the passage therethrough of individual points from said magazine, and an auxiliary plate having yielding side pieces with projections receivable in the indentations in said first-named side pieces, said auxiliary plate extending beneath said opening, but spaced from said base plate.

7. The combination, in a glaziers point driver, with a frame having a leg with a magazine therein for glaziers points, a base plate attached to said leg beneath the bottom thereof, having an opening therein for the passage therethrough of individual points from said magazine, and provided with oppositelydisposed longitudinally-extending flanges, a spring-pressed plunger behind said leg, and a driver plate having longitudinally-extending beads at the sides which are adapted to be mounted on said flanges, connecting means between said driver plate and said plunger to prevent independent longitudinal movement therebetween, and operating means for said plunger, of an auxiliary plate having longitudinally-extending beads at the sides to receive the beads on said driver plate, and means to secure said auxiliary plate to said leg, said auxiliary plate being provided with an upwardly-extending projection at the forward end to bear against said base plate and prevent said auxiliary plate from tilting upwardly at said end.

8. The combination, in a glaziers point driver, with a frame having a. leg with a magazine therein for glaziers points, a base plate attached to said leg beneath the bottom thereof, having an opening therein for the pas sage therethrough of individual points from said magazine, and being provided with oppositely-disposed longitudinally extending flanges, a spring-pressed plunger behind said leg, a driver plate having longitudinally-extending beads at the sides which are adapted to be mounted on said flanges, connecting means between said driver plate and said plunger to prevent independent longitudinal movement therebetween, and operating means for said plunger, of an auxiliary plate having longitudinally-extending beads at the sides to receive the beads on said driver plate, and means to secure said auxiliary plate to said leg, said auxiliary plate being provided with upwardly-extending projections at the forward end to bear against said base plate and prevent said auxiliary plate from tilting upwardly at said end, and said driver plate being recessed in the forward end to accommodate said projections.

9. In a glaziers point driver, a frame con sisting in part of a leg having therein a magazine for glaziers points, a base plate for the bottom of said leg, said plate having therein an opening for the passage therethrough of individual points and being provided with yielding means adapted to engage and be disengaged from said leg, an auxiliary plate having yielding means adapted to engage and be disengaged from said leg, whereby said auxiliary plate may be located beneath and spaced from said base plate, and a driver plate adapted to operate in the space between said base plate and said auxiliary plate.

10. The combination, in a glaziers point driver, with a frame having a leg in which is a magazine for glaziers points, of a spring pressed plunger behind said leg, a lever pivotally connected with said plunger, a pin in said plunger, a perforated driver plate for said points, said plate being on the bottom of and having parts to engage said plunger, and said pin being arranged to enter the perforation in said plate, a spring in said pin beneath said lever to force said pin downwardly and swing said lever into operative position, means to limit the movement im-' parted to said lever by said spring, and means to retract said plunger through the medium of said lever.

11. In a glaziers point driver, a frame having a leg in which is a magazine for glaziers points, and provided with means to permit such points to escape individually from said magazine, said means consisting in part of a driver plate, a spring-pressed plunger, with which said plate is connected, having a screw tapped into the rear end thereof, a spring pressed lever pivotally connected with said plunger, said screw having a part in the path of said lever to limit the movement imparted thereto by its spring, and means to retract said plunger against the force of its spring through the medium of said lever.

12. In a glaziers point driver, a frame having a leg in which is a magazine for glaziers points, and means, consisting in part of a driver plate, for permitting said points individually to leave said magazine, a spring-pressed plunger, with which said plate is connected, provided with a screw-threaded member, a spring-pressed lever pivotally connected with said plunger, said screwthreaded member having a conical head in the path of said lever to limit the movement imparted thereto by its spring, and capable by adjustment of increasing or decreasing the amount of such movement, and means to retract, through the medium of said lever, said plunger against the resiliency of its spring.

13. The combination, in aglaziers point driver, with a frame having a perforated rear support, and provided with a magazine for glaziers points, of discharging means for said points, said means consisting in part of a plunger, a stem attached to said plunger, a sleeve, into which said stem extends, in the perforation in said support, said sleeve having a projecting part, and a spring interposed between the projecting part of said sleeve and said plunger.

1%. The combination, in a glaziers point driver, with a frame having at the rear end a perforated support and at the front end a magazine for glaziers points, a portion of the perforation in said support being conical, and a sleeve having a conical portion receivable in the conical portion of saidperfora tion, and a flange receivable in said perforation in front of said conical portion, of discharging mechanism for said points, said mechanism consisting in part of a plunger provided with a stem slidingly arranged at rear end in said sleeve, a spring interposed between said flange and said plunger, and means to retract said plunger against the re siliency of said spring.

15. The combination, in a glaziers point driver, with a frame having a front leg in which is located a magazine for glaziers points, a base plate attached to the bottom of said leg, and having an opening therein for the passage therethrough of points individually, a spring-pressed plunger slidingly arranged behind said leg, a driver plate carried by said plunger beneath said base plate, and adapted to force the points which pass through said base plate forwardly, and operating means for said plunger, of an auxiliary plate attachable to said leg, below said driver plate, to prevent said points from descending below the plane of said driver plate when he latter is retracted, said auxiliary plate being recessed at the front end to permit a point, when in position to be discharged, to be brought into close proximity with the glass beneath the same.

16. In a glaziers point driver,an auxiliary plate provided with attaching means, and having protuberances adjacent to the front end to prevent said plate from tilting upwardly when in position.

17. In a glaziers point driver, an auxiliary plate provided with attaching means, and recessed at the front end to enable a point resting on said plate to have its forward end brought into close proximity with the glass beneath.

18. In a glaziers point driver, an auxiliary plate provided with attaching means,

, and with protuberances adjacent to the front end to prevent said plate from tilting upwardly when in position, and having at said end a recess to enable a point resting on said plate to have its forward end brought into close proximity with the glass beneath.

19. In a glaziers point driver, the combination with a frame having therein two vertical passages, one of which passages serves as a magazine for glaziers points and having an opening through the bottom to permit the escape of said points individually; of a follower member having portions in both of said passages, the portion in the magazine passage being adapted to bear on the points ;therein, and a spring operably associated with the follower member, said member being adapted to be drawn upwardly and to be swung into position to one side of the magazine passage to enable the magazine to be i loaded with points.

20. In a glaziers point driver, the combination with a frame having a leg with a magazine therein for glaziers points, and a flanged base plate at the bottom of the magazine having an opening for the passage therethrough of individual points from said magazine; of a spring-pressed plunger, and a driver plate having longitudinally-extending side beads slidably coacting with the flanges of the base plate, and an auxiliary plate having longitudinally-extending beads at the sides to receive the beads on said driver plate.

21. In a glaziers point driver, the combination with a frame having. a leg with a magazine therein for glazi'ers points and a base plate beneath the bottom thereof having an opening therein for the passage therethrough of individual points from said magazine and provided with oppositely-disposed lougitudinally-extending flanges, a springpressed plunger, a driver plate having longitudinally extending beads at the sides cooperating with sald base plate flanges, and

I an auxiliary plate beneath the driver-plate '7 having longitudinally-extending beads at the sides formed to receive the beads on the driver plate.

GUY HUBBARD. CHARLES J. FANCHER. HENRI A. SEVIGNE. ROBERT A. JOHNSON. 

